<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>div</title>
		<style type="text/css">
			.div_father{
				margin: 0 auto;
				border: 2px solid #4e6ef2;
				width: 818px;
				height: 53px;
				border-radius: 10px;
			}
			.div_son{
				cursor: pointer;
				float: right;
				width: 136px;
				height: 53px;
				color: white;
				text-align: center;
				line-height: 53px;
				font-size: 17px;
				border-radius: 0 7px 7px 0;
				background-color: rgb(70,98,217);
			}
		</style>
	</head>
	<body>
		<div class="div_father">
			<div class="div_son">
				百度一下
			</div>
		</div>
	</body>
</html>
